X-RAY DIFFRACTION Experimental Data & Validation

X-ray Experimental Help


Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 9
Temperature 293.0
Details PEG4000, bicine, pH 9, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 48.06 α = 90
b = 120.65 β = 90
c = 49.04 γ = 90
Space Group C 2 2 21


Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH Osmic mirrors 2000-11-05
Diffraction Radiation
Monochromator Protocol
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline

Data Collection

Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) R Sym I (Observed) Net I Over Average Sigma (I) Redundancy Number Reflections (All) Number Reflections (Observed) Observed Criterion Sigma (F) Observed Criterion Sigma (I) B (Isotropic) From Wilson Plot
2 100 83.3 0.072 0.045 -- 4.01 9659 8860 2.0 2.0 21.2
High Resolution Shell
Resolution (High) Resolution (Low) Percent Possible (All) R Merge I (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All)
2.01 2.08 75.3 0.34 -- 3.6 3.6 711


Structure Solution Method Refinement High Resolution Refinement Low Resolution Cut-off Sigma (I) Cut-off Sigma (F) Number of Reflections (All) Number of Reflections (Observed) Number of Reflections (R-Free) Percent Reflections (Observed) R-Factor (All) R-Factor (Observed) R-Work R-Free R-Free Selection Details
MIR 2.0 100.0 2.0 2.0 9659 8860 773 97.4 0.2187 0.1921 0.1892 0.26 random
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model isotropic one B factor per atom
Mean Isotropic B 31.0
RMS Deviations
Key Refinement Restraint Deviation
s_anti_bump_dis_restr 0.008
s_non_zero_chiral_vol 0.041
s_from_restr_planes 0.02
c_angle_deg 0.026
c_bond_d 0.007
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 936
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 94


Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
SOLVE, CNS Structure Solution
CNS, SHELXL-97 Structure Refinement
Software Name Purpose
SHELXL-97 refinement
CNS refinement
CNS model building
SOLVE model building